Chapter 35

What is a pathogen?

• A small group of viruses
• The name given to colds and flu's
• A NADPH that causes disease
• A microbes that cause infectious diseases 

What causes infectious diseases?

• hemophilia
• pathogens
• environmental pollutants
• heredity

Which on of the following is caused by a virus?

• Athletes foot
• African sleeping sickness
• strep throat
• warts

Which of the following is NOT a way to spread infectious diseases?

• coughing an sneezing
• contaminated food/water
• infected animals
• good personal hygiene

Which of the following is NOT a nonspecific defense?

• mucus
• sweat
• antibodies
• tears

What is the body's most important nonspecific defense?

• passive immunity provided by mom.
• skin
• active immunity provided by vaccines.
• inflammatory response

Place these events in the correct order:1. Phagocytes engulf and destroy bacteria that damage cells. 2. Pathogens enter the body causing mast cells to release histamines and increase blood flow.3. Blood vessels expand. Fluid leaves capillaries and causes swelling.

• 2, 3, 1
• 3, 2, 1
• 1, 2, 3
• 2, 1, 3

___________ are proteins that tag pathogens for immune cell destruction.

• Antigens
• Antibodies
• interferons
• histamines.

What are the main working cells when it comes to immune response?

• antigens and antibodies
• histamines and interferons
• B cells and T cells
• self and nonself

What are the main working cells when it comes to immune response?

• antigens and antibodies
• histamines and interferons
• B cells and T cells
• self and nonself